Handset for in-vehicle alcohol tester and interlock system



FIG. 1 is a top, front and left side perspective view of a headset forin-vehicle alcohol tester and interlock system showing our new design;

FIG. 2 is a top plan view;

FIG. 3 is a left side elevational view, the right side elevational viewbeing a mirror image;

FIG. 4 is a rear elevational view;

FIG. 5 is a front elevational view; and

FIG. 6 is a bottom plan view thereof.

The ornamental design for a handset for in-vehicle alcohol tester andinterlock system, as shown and described.